please help, I really don't understand how I work out the answer to this question and my teacher didn't teach it to us very well
:/ 
2 answers:
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Answer:
cot(x)
Step-by-step explanation:
Recall the Pythagorean Identity
For this case we must do a conversion:
We have to by definition:
1 ounce equals 0.0625 pounds
Making a rule of three we have:
1 oz ------------> 0.0625 lb
67 oz ----------> x
Where "x" represents the number of equivalent pounds:
Thus, 67 ounces equals 4.1875 pounds
Answer:
67 ounces equals 4.1875 pounds